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Significant Accounting Policies (Schedule Of Silver Receivable And Payable) (Details) (USD $)	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Significant Accounting Policies [Abstract]
Silver receivable	$ 0	$ 0
Silver payable	$ 0	$ 0	$ 8,392,292

X

- Definition

Amount of silver payable at market value as of the reporting date.

+ References

No definition available.

+ Details

Name:	sivr_SilverPayableAtMarketValue
Namespace Prefix:	sivr_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Amount of silver receivable at market value as of the reporting date.

+ References

No definition available.

+ Details

Name:	sivr_SilverReceivableAtMarketValue
Namespace Prefix:	sivr_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Details

Name:	us-gaap_AccountingPoliciesAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration